This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic® Spring mattresses, upgraded with the option of a soft PillowTop for exceptional comfort. The Duraflex™ Coil Edge increases durability, while MoistureProtect™ helps to keep you cool, and Surface-Guard Technology™ keeps the mattress protected.Our innerspring mattresses offer exceptional full-body support with ease of movement for a responsive, sleep-on-top-of -the mattress feeling. Sealy's coil design promotes proper alignment and supports you while you sleep, so you can wake up ready to take on the day.Cover: Surface-GaurdTM & MoistureProtect TMQuilt: 0.5" SealySupportTM Gel Foam MediumTargeted Support: 0.5" SealyCoolTM Gel Memory FoamFoam Layers: 2.0" SealySupportTM Gel Foam FirmMattress Top Type: Tight TopMattress Type: InnerspringIncluded: 1 Box Spring(s), 1 Mattress(es)Features: Cooling Layer, Wrapped Coils, Cushioning Layer, Non-Toxic, Antimicrobial, Foam LayerAdditional Information: Suitable for Adjustable Bed FramesCoil Count: 601 CoilsManufacturer Warranty: 10 Year LimitedBed Size: TwinMaximum Weight Limit: 500 LbsBase Material: 100% PolyurethaneComfort Type: FirmMattress + Box Spring Measurements: 39 Width/Inches, 20 Height/Inches, 75 Length/InchesCare: Spot CleanCertifications And Listings: Cpsc - 16 Cfr 1632 Compliant, Cpsc - 16 Cfr 1633 Compliant, Certipur-Us CertifiedMattress Height: 11"Country of Origin: Made in US Visit our Furniture & Mattress Customer Care Center for delivery options, protection plans and other services.Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at 1-800-442-7902Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item. Set includes mattress plus box spring/foundation. King and Cal. King mattress sets feature 2-piece side-by-side foundations for easier navigation in tight spaces.This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress padsThis mattress meets the requirements of 16CFR Part 1633 (federal flammability (open flame) standard for mattress sets) when used with foundation Sealy Retford 11" Firm Tight Top Mattress + Box Spring